Home / 64,076.90-96,125.34-30,790.76

Finding the Fourth Proportional to 64,076.90, 96,125.34 and 30,790.76

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Solution

The fourth proportional to 64,076.90, 96,125.34 and 30,790.76 is: 46,190.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,076.90 : 96,125.34 = 30,790.76 : x
  2. Step 2: Convert to fraction form
    64,076.90/96,125.34 = 30,790.76/x
  3. Step 3: Cross multiply
    64,076.90x = 96,125.34 × 30,790.76
  4. Step 4: Simplify right side
    64,076.90x = 2,959,772,273.86
  5. Step 5: Solve for x
    x = 2,959,772,273.86/64,076.90
  6. Step 6: Final answer
    x = 46,190.94

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.